Dinoflagellate Ceratium teresgyr (Photo : Sophie Marro)
Rosette used to collect seawater samples during a scientific cruise in the South Pacific Ocean. During the austral summer, the amount of chlorophyll a is so low that the water becomes deep blue, almost purple. (Photo : Joséphine Ras)
Diatom species Odontella mobiliensis (Photo : Sophie Marro)
Velella - Planktonic Vessels
Colonies of polyps transported by prevailing winds, velella drift at the surface of warm seas.
Mollusk (Photo : Fabien Lombard)
Ctenaria Lampetia pancerina (Photo : Fabien Lombard)
Tunicata Pyrosoma (Photo : Fabien Lombard)
Vue sous-marine d'un groupe de mésocosmes montrant un plongeur récoltant les pièges à sediment (© Stareso)
Surface chlorophyll a concentration in the Mediterranean Sea.
This video describes how to perform the Ludion experiment and explains the physical processes involved.
The seasonal evolution of the chlorophyll a concentration as seen by a « water color » satellite (SeaWifs) in the Atlantic Ocean.
Plankton
Plankton are a multitude of living organisms adrift in the currents.Our food, our fuel, and the air we breathe originate in plankton.
The research vessel "Marion Dufresne"
Embryos and larvae
Drifting in the currents, embryos and larvae perpetuate the species and are food for multitudes.
Ciliate (Photo : Fabien Lombard)
Siphonophores Forskalia formosa (Photo : Fabien Lombard)
Dinoflagellate Ceratium gravidum (Photo : Sophie Marro)